Season 2: Asteroids!

Space rocks, known as asteroids, fly all around the solar system and sometimes hit our planet. In this series, learn about the many discoveries and challenges of different asteroid missions.

On a Mission |Season 2: Asteroids!

Season 2, Episode 1: The Sky is Falling

Earth is in a cosmic shooting gallery. With so many asteroids zipping around, how can we find them all before they find us? .

On a Mission |Season 2: Asteroids!

Season 2, Episode 2: Impact!

What happens when a giant asteroid hits Earth? .

On a Mission |Season 2: Asteroids!

Season 2, Episode 3: Bracing for a Crash

If a big asteroid is heading our way, how does NASA prepare for the oncoming disaster? .

On a Mission |Season 2: Asteroids!

Season 2, Episode 4: Deflecting Disaster

Unlike the dinosaurs, we have a space program. There are many ways we could steer an asteroid off its path towards Earth. .

On a Mission |Season 2: Asteroids!

Season 2, Episode 5: Catch a Falling Star

Why are missions like OSIRIS-REx bringing pieces of an asteroid back home? .

On a Mission |Season 2: Asteroids!

Season 2, Episode 6: The Prospects of Heavy Metal

Asteroids, ho! Pioneering space miners dream of Psyche, the largest metal asteroid in the solar system. .

On a Mission |Season 2: Asteroids!

Season 2, Episode 7: Planet Asteroid

What’s in a name? Whether you call it a planet or an asteroid, missions that explore small worlds are always exciting. .

On a Mission |Season 2: Asteroids!

Season 2, Episode 8: Diamonds in the Ice

Every year, intrepid Antarctica explorers hunt for space rocks that have fallen to Earth. .

On a Mission |Season 2: Asteroids!

Season 2, Episode 9: Hunting in the Dark for Monsters

Finding black rocks in the darkness of space isn’t easy, but new methods could help spot them all. .

On a Mission |Season 2: Asteroids!

Season 2, Episode 10: Comets: A Love Story

Eugene and Carolyn Shoemaker’s love for exploration changed our understanding of the cosmos. .